diff --git a/docs/how-to/document_search/search_documents.md b/docs/how-to/document_search/search_documents.md
index 3c7d5de5f..00f8ae17e 100644
--- a/docs/how-to/document_search/search_documents.md
+++ b/docs/how-to/document_search/search_documents.md
@@ -64,6 +64,16 @@ class CustomSource(Source):
         pass
 ```
 
+To register protocol for your custom source class please update `pyproject.toml` within your project root with the following lines:
+
+
+```toml
+[tool.ragbits.core]
+modules_to_import = {sources=["python.path.to.custom_source:CustomSource"]}
+```
+
+You can specify any number of custom source classes in that list - they would be imported and registered whenever you import `ragbits.document_search.documents.sources.base:SourceResolver`
+
 ## Processing, embedding and storing
 Having the documents loaded we can proceed with the pipeline. The next step covers the processing, embedding and storing. Embedders and Vector Stores have their own sections in the documentation, here we will focus on the processing.
 
diff --git a/packages/ragbits-core/CHANGELOG.md b/packages/ragbits-core/CHANGELOG.md
index ccb4ad35f..4f196a36a 100644
--- a/packages/ragbits-core/CHANGELOG.md
+++ b/packages/ragbits-core/CHANGELOG.md
@@ -1,6 +1,10 @@
 # CHANGELOG
 
 ## Unreleased
+- configure imported modules (#343)
+- improve cli trace handler
+- added traceable to some method
+- Add support for images in few shot prompts (#155)
 - Better handling of cases when text and image embeddings are mixed in VectorStore
 
 ## 0.10.0 (2025-03-17)
diff --git a/packages/ragbits-core/src/ragbits/core/config.py b/packages/ragbits-core/src/ragbits/core/config.py
index c7b85af0a..4b1ece95f 100644
--- a/packages/ragbits-core/src/ragbits/core/config.py
+++ b/packages/ragbits-core/src/ragbits/core/config.py
@@ -5,6 +5,7 @@
 
 from ragbits.core.llms.base import LLMType
 from ragbits.core.utils._pyproject import get_config_from_yaml, get_config_instance
+from ragbits.core.utils.config_handling import import_by_path
 
 
 class CoreConfig(BaseModel):
@@ -31,6 +32,8 @@ class CoreConfig(BaseModel):
     # Path to a YAML file with preferred configuration of varius Ragbits objects
     component_preference_config_path: Path | None = None
 
+    modules_to_import: dict[str, list[str]] = {}
+
     @cached_property
     def preferred_instances_config(self) -> dict:
         """
@@ -46,3 +49,16 @@ def preferred_instances_config(self) -> dict:
 
 
 core_config = get_config_instance(CoreConfig, subproject="core")
+
+
+def import_modules_from_config(config_key: str, config: CoreConfig = core_config) -> None:
+    """
+    A function that imports all modules specified in config instance for given key
+    Args:
+        config_key: str configuration key
+        config: CoreConfig instance of configuration
+    """
+    paths_to_import = config.modules_to_import.get(config_key)
+    if paths_to_import:
+        for path in paths_to_import:
+            import_by_path(path)
diff --git a/packages/ragbits-document-search/CHANGELOG.md b/packages/ragbits-document-search/CHANGELOG.md
index 8c8744c46..feee3004b 100644
--- a/packages/ragbits-document-search/CHANGELOG.md
+++ b/packages/ragbits-document-search/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- Configured source classes are auto-imported (#343)
 ## 0.10.0 (2025-03-17)
 
 ### Changed
diff --git a/packages/ragbits-document-search/src/ragbits/document_search/documents/sources/__init__.py b/packages/ragbits-document-search/src/ragbits/document_search/documents/sources/__init__.py
index 85c808a7d..8a1674828 100644
--- a/packages/ragbits-document-search/src/ragbits/document_search/documents/sources/__init__.py
+++ b/packages/ragbits-document-search/src/ragbits/document_search/documents/sources/__init__.py
@@ -5,6 +5,7 @@
 from ragbits.document_search.documents.sources.http import HttpSource
 from ragbits.document_search.documents.sources.local import LocalFileSource
 from ragbits.document_search.documents.sources.s3 import S3Source
+from ragbits.core.config import import_modules_from_config
 
 __all__ = [
     "AzureBlobStorageSource",
@@ -15,3 +16,5 @@
     "S3Source",
     "Source",
 ]
+
+import_modules_from_config("sources")